public <T extends TaskRepository> void setRepositories(List<T> repositories) {

    Set<TaskRepository> set = new HashSet<TaskRepository>(myRepositories);
    set.removeAll(repositories);
    myBadRepositories.removeAll(set); // remove all changed reps
    myIssueCache.clear();

    myRepositories.clear();
    myRepositories.addAll(repositories);

    reps:
    for (T repository : repositories) {
      if (repository.isShared() && repository.getUrl() != null) {
        List<TaskProjectConfiguration.SharedServer> servers = getProjectConfiguration().servers;
        TaskRepositoryType type = repository.getRepositoryType();
        for (TaskProjectConfiguration.SharedServer server : servers) {
          if (repository.getUrl().equals(server.url) && type.getName().equals(server.type)) {
            continue reps;
          }
        }
        TaskProjectConfiguration.SharedServer server = new TaskProjectConfiguration.SharedServer();
        server.type = type.getName();
        server.url = repository.getUrl();
        servers.add(server);
      }
    }
  }